. . . . . . . . . . . . . "Cone tracing and beam tracing are a derivative of the ray tracing algorithm that replaces rays, which have no thickness, with thick rays."@en . . . . . . . . . . . . . . . . . . . "1120771155"^^ . . . . "Cone tracing"@en . "5533"^^ . . . . . "1669420"^^ . . . . . . . . . . . . . "Cone tracing and beam tracing are a derivative of the ray tracing algorithm that replaces rays, which have no thickness, with thick rays."@en . . .